Download A Practical Guide to the Selection of High-Temperature by A. A. Collyer PDF

By A. A. Collyer

Is helping the person with out formal education in plastic fabrics during the maze of fabrics choice to his ultimate aim. people with a easy wisdom of this region will enjoy the more effective points of the advisor

Show description

Read Online or Download A Practical Guide to the Selection of High-Temperature Engineering Thermoplastics PDF

Similar polymers & textiles books

Handbook of biodegradable polymers

Biodegradable polymers are area of interest yet ever-expanding industry fabrics discovering targeted purposes in sectors the place biodegradability, including the performances they reach in the course of use, deals systematic environmental merits: agricultural purposes, packaging, catering, hygiene and gradual free up goods.

Antifouling Surfaces and Materials: From Land to Marine Environment

This ebook reports the improvement of antifouling surfaces and fabrics for either land and marine environments, with an emphasis on marine anti biofouling. It explains the variations and intrinsic dating among antifouling in land and marine environments, that are in keeping with superhydrophobicity and superhydrophilicity respectively.

Plastics Failure Guide.. Cause and Prevention

During this publication, 4 elements of plastics technology--Material, layout, Processing, and repair Conditions--provide a consultant to how and why plastics fail and the way failure could be avoided. This moment variation has been up-to-date and accelerated and comprises 3 new chapters: bankruptcy 14; Adhesion Failure of Plastics; bankruptcy 15, Failure of Human Biopolymers; and bankruptcy sixteen, Environmental, Recycling, and healthiness facets of Plastics Failure.

Extra resources for A Practical Guide to the Selection of High-Temperature Engineering Thermoplastics

Sample text

The requirement is for 10 discs per annum. 1. Material cost Volume of the part = Ylt^t where r is the radius and t the thickness of the part. 24 x 1 0 3 = 0 . 3, namely Cp = 1 . 1 x 0 . 0 1 5 x 3 . 231p Cost per 1 0 0 0 = £ 5 2 . 75 = £6000 During the year 10 products are made. Therefore the cost per product Cp = fiQiKi IO 5 products = 5 6 ton A 6 0 t o n m a c h i n e s h o u l d therefore be adequate, but it would leave little margin. 2 find the shot size of a machine of clamp force 6 0 ton. The answer is about 80g.

Such calculations require a considerable data bank of Theological and thermal behaviour, and it is possible for the operator to add to this data bank if a specialized grade is being used. Once the optimum moulding conditions and 48 Costing ofplastics products INTRODUCTION & CAVITY SELECTION ! 5: A flow chart illustrating the 'SIMPOL' program (by courtesy of Ian Barrie) cycle time have been obtained the program calculates the machine specification to handle the process. 3, and a final summary is given.

In an interesting study by Birley and Scott [ 101, a whole range of processes for making a specific part were costed. 2. The product was a casing for a cable avoidance tool made from low density polyethylene; it was expected that 1000 casings would be made a year. The mouldings could be either blow moulded or rotationally moulded in one operation, or formed in two parts and assembled later, the parts being injection moulded, vacuum formed or manufactured using hand lay-up or spray techniques. The costing was based on the a s s u m p t i o n that the cheaper rotational moulding equipment was used [10].

Download PDF sample

Rated 4.30 of 5 – based on 20 votes